title: Failure of a new constrained acetabular insert: a report of 2 cases.
mesh_terms: D000368:Aged; D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects / Q000295:instrumentation*; D006622:Hip Prosthesis; D006801:Humans; D004204:Joint Dislocations / Q000209:etiology / Q000601:surgery*; D008297:Male; D015207:Osteoarthritis, Hip / Q000601:surgery; D011475:Prosthesis Failure; D012008:Recurrence; D012086:Reoperation; D016896:Treatment Outcome